Sigma DG 28-105mm f/2.8-4.0 ASPHERICAL IF

This camera glass has a range of focal lengths from 28mm to 105mm, which is a good range for general photography. It has an aperture range from f/2.8 to f/4.0, which means it can capture good quality photos in low light conditions. The glass elements in this photographic lens are coated to reduce reflections and increase contrast. The lens is constructed with aspherical elements to reduce distortion and aberrations. The build quality of this lens is good and it has a solid feel. The resolution of this lens is sharp and it produces good bokeh. This lens can be used for both autofocus and manual focus, depending on the photographer’s preference. There are alternative lenses available in the market with similar specifications, but this lens is a good option for those who are looking for a versatile lens with a good range of focal lengths. The manufacturing time of this lens is not known, but it is expected to be a well-made lens.

Optical design

Has 8 aperture blades, with this amount of aperture blades you will be satisfied with the result.

Physical characteristics

79 mm long, requires consideration if you want to carry in the camera bag. Weights 405 grams so plan ahead, carry only if really necessary. With a lens filter diameter of 72 mm you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options.